1868988261

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{3631}}^1$

素因数の和:3961

約数の個数: 32

約数和(自身を含む): 2886074368

約数和(自身を除く): 1017086107

約数列:

[1, 3, 7, 21, 127, 193, 381, 579, 889, 1351, 2667, 3631, 4053, 10893, 24511, 25417, 73533, 76251, 171577, 461137, 514731, 700783, 1383411, 2102349, 3227959, 4905481, 9683877, 14716443, 88999441, 266998323, 622996087, 1868988261]

約数ペア:

[(1, 1868988261), (3, 622996087), (7, 266998323), (21, 88999441), (127, 14716443), (193, 9683877), (381, 4905481), (579, 3227959), (889, 2102349), (1351, 1383411), (2667, 700783), (3631, 514731), (4053, 461137), (10893, 171577), (24511, 76251), (25417, 73533)]